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fix(uart): prevent deinitializing another UART #2754

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Merged
merged 1 commit into from
Jun 23, 2025
Merged

fix(uart): prevent deinitializing another UART #2754

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217 changes: 110 additions & 107 deletions libraries/SrcWrapper/src/stm32/uart.c
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Original file line number Diff line number Diff line change
Expand Up @@ -594,151 +594,154 @@ bool uart_init(serial_t *obj, uint32_t baudrate, uint32_t databits, uint32_t par
*/
void uart_deinit(serial_t *obj)
{
/* Reset UART and disable clock */
switch (obj->index) {
/* Ensure uart is set to prevent deinitializing uart at index 0 */
if (obj->uart) {
/* Reset UART and disable clock */
switch (obj->index) {
#if defined(USART1_BASE)
case UART1_INDEX:
__HAL_RCC_USART1_FORCE_RESET();
__HAL_RCC_USART1_RELEASE_RESET();
__HAL_RCC_USART1_CLK_DISABLE();
break;
case UART1_INDEX:
__HAL_RCC_USART1_FORCE_RESET();
__HAL_RCC_USART1_RELEASE_RESET();
__HAL_RCC_USART1_CLK_DISABLE();
break;
#endif
#if defined(USART2_BASE)
case UART2_INDEX:
__HAL_RCC_USART2_FORCE_RESET();
__HAL_RCC_USART2_RELEASE_RESET();
__HAL_RCC_USART2_CLK_DISABLE();
break;
case UART2_INDEX:
__HAL_RCC_USART2_FORCE_RESET();
__HAL_RCC_USART2_RELEASE_RESET();
__HAL_RCC_USART2_CLK_DISABLE();
break;
#endif
#if defined(USART3_BASE)
case UART3_INDEX:
__HAL_RCC_USART3_FORCE_RESET();
__HAL_RCC_USART3_RELEASE_RESET();
__HAL_RCC_USART3_CLK_DISABLE();
break;
case UART3_INDEX:
__HAL_RCC_USART3_FORCE_RESET();
__HAL_RCC_USART3_RELEASE_RESET();
__HAL_RCC_USART3_CLK_DISABLE();
break;
#endif
#if defined(UART4_BASE)
case UART4_INDEX:
__HAL_RCC_UART4_FORCE_RESET();
__HAL_RCC_UART4_RELEASE_RESET();
__HAL_RCC_UART4_CLK_DISABLE();
break;
case UART4_INDEX:
__HAL_RCC_UART4_FORCE_RESET();
__HAL_RCC_UART4_RELEASE_RESET();
__HAL_RCC_UART4_CLK_DISABLE();
break;
#elif defined(USART4_BASE)
case UART4_INDEX:
__HAL_RCC_USART4_FORCE_RESET();
__HAL_RCC_USART4_RELEASE_RESET();
__HAL_RCC_USART4_CLK_DISABLE();
break;
case UART4_INDEX:
__HAL_RCC_USART4_FORCE_RESET();
__HAL_RCC_USART4_RELEASE_RESET();
__HAL_RCC_USART4_CLK_DISABLE();
break;
#endif
#if defined(UART5_BASE)
case UART5_INDEX:
__HAL_RCC_UART5_FORCE_RESET();
__HAL_RCC_UART5_RELEASE_RESET();
__HAL_RCC_UART5_CLK_DISABLE();
break;
case UART5_INDEX:
__HAL_RCC_UART5_FORCE_RESET();
__HAL_RCC_UART5_RELEASE_RESET();
__HAL_RCC_UART5_CLK_DISABLE();
break;
#elif defined(USART5_BASE)
case UART5_INDEX:
__HAL_RCC_USART5_FORCE_RESET();
__HAL_RCC_USART5_RELEASE_RESET();
__HAL_RCC_USART5_CLK_DISABLE();
break;
case UART5_INDEX:
__HAL_RCC_USART5_FORCE_RESET();
__HAL_RCC_USART5_RELEASE_RESET();
__HAL_RCC_USART5_CLK_DISABLE();
break;
#endif
#if defined(USART6_BASE)
case UART6_INDEX:
__HAL_RCC_USART6_FORCE_RESET();
__HAL_RCC_USART6_RELEASE_RESET();
__HAL_RCC_USART6_CLK_DISABLE();
break;
case UART6_INDEX:
__HAL_RCC_USART6_FORCE_RESET();
__HAL_RCC_USART6_RELEASE_RESET();
__HAL_RCC_USART6_CLK_DISABLE();
break;
#endif
#if defined(LPUART1_BASE)
case LPUART1_INDEX:
__HAL_RCC_LPUART1_FORCE_RESET();
__HAL_RCC_LPUART1_RELEASE_RESET();
__HAL_RCC_LPUART1_CLK_DISABLE();
break;
case LPUART1_INDEX:
__HAL_RCC_LPUART1_FORCE_RESET();
__HAL_RCC_LPUART1_RELEASE_RESET();
__HAL_RCC_LPUART1_CLK_DISABLE();
break;
#endif
#if defined(LPUART2_BASE)
case LPUART2_INDEX:
__HAL_RCC_LPUART2_FORCE_RESET();
__HAL_RCC_LPUART2_RELEASE_RESET();
__HAL_RCC_LPUART2_CLK_DISABLE();
break;
case LPUART2_INDEX:
__HAL_RCC_LPUART2_FORCE_RESET();
__HAL_RCC_LPUART2_RELEASE_RESET();
__HAL_RCC_LPUART2_CLK_DISABLE();
break;
#endif
#if defined(LPUART3_BASE)
case LPUART3_INDEX:
__HAL_RCC_LPUART3_FORCE_RESET();
__HAL_RCC_LPUART3_RELEASE_RESET();
__HAL_RCC_LPUART3_CLK_DISABLE();
break;
case LPUART3_INDEX:
__HAL_RCC_LPUART3_FORCE_RESET();
__HAL_RCC_LPUART3_RELEASE_RESET();
__HAL_RCC_LPUART3_CLK_DISABLE();
break;
#endif
#if defined(UART7_BASE)
case UART7_INDEX:
__HAL_RCC_UART7_FORCE_RESET();
__HAL_RCC_UART7_RELEASE_RESET();
__HAL_RCC_UART7_CLK_DISABLE();
break;
case UART7_INDEX:
__HAL_RCC_UART7_FORCE_RESET();
__HAL_RCC_UART7_RELEASE_RESET();
__HAL_RCC_UART7_CLK_DISABLE();
break;
#elif defined(USART7_BASE)
case UART7_INDEX:
__HAL_RCC_USART7_FORCE_RESET();
__HAL_RCC_USART7_RELEASE_RESET();
__HAL_RCC_USART7_CLK_DISABLE();
break;
case UART7_INDEX:
__HAL_RCC_USART7_FORCE_RESET();
__HAL_RCC_USART7_RELEASE_RESET();
__HAL_RCC_USART7_CLK_DISABLE();
break;
#endif
#if defined(UART8_BASE)
case UART8_INDEX:
__HAL_RCC_UART8_FORCE_RESET();
__HAL_RCC_UART8_RELEASE_RESET();
__HAL_RCC_UART8_CLK_DISABLE();
break;
case UART8_INDEX:
__HAL_RCC_UART8_FORCE_RESET();
__HAL_RCC_UART8_RELEASE_RESET();
__HAL_RCC_UART8_CLK_DISABLE();
break;
#elif defined(USART8_BASE)
case UART8_INDEX:
__HAL_RCC_USART8_FORCE_RESET();
__HAL_RCC_USART8_RELEASE_RESET();
__HAL_RCC_USART8_CLK_DISABLE();
break;
case UART8_INDEX:
__HAL_RCC_USART8_FORCE_RESET();
__HAL_RCC_USART8_RELEASE_RESET();
__HAL_RCC_USART8_CLK_DISABLE();
break;
#endif
#if defined(UART9_BASE)
case UART9_INDEX:
__HAL_RCC_UART9_FORCE_RESET();
__HAL_RCC_UART9_RELEASE_RESET();
__HAL_RCC_UART9_CLK_DISABLE();
break;
case UART9_INDEX:
__HAL_RCC_UART9_FORCE_RESET();
__HAL_RCC_UART9_RELEASE_RESET();
__HAL_RCC_UART9_CLK_DISABLE();
break;
#endif
#if defined(UART10_BASE)
case UART10_INDEX:
__HAL_RCC_UART10_FORCE_RESET();
__HAL_RCC_UART10_RELEASE_RESET();
__HAL_RCC_UART10_CLK_DISABLE();
break;
case UART10_INDEX:
__HAL_RCC_UART10_FORCE_RESET();
__HAL_RCC_UART10_RELEASE_RESET();
__HAL_RCC_UART10_CLK_DISABLE();
break;
#endif
#if defined(USART10_BASE)
case UART10_INDEX:
__HAL_RCC_USART10_FORCE_RESET();
__HAL_RCC_USART10_RELEASE_RESET();
__HAL_RCC_USART10_CLK_DISABLE();
break;
case UART10_INDEX:
__HAL_RCC_USART10_FORCE_RESET();
__HAL_RCC_USART10_RELEASE_RESET();
__HAL_RCC_USART10_CLK_DISABLE();
break;
#endif
#if defined(USART11_BASE)
case UART11_INDEX:
__HAL_RCC_USART11_FORCE_RESET();
__HAL_RCC_USART11_RELEASE_RESET();
__HAL_RCC_USART11_CLK_DISABLE();
break;
case UART11_INDEX:
__HAL_RCC_USART11_FORCE_RESET();
__HAL_RCC_USART11_RELEASE_RESET();
__HAL_RCC_USART11_CLK_DISABLE();
break;
#endif
#if defined(UART12_BASE)
case UART12_INDEX:
__HAL_RCC_UART12_FORCE_RESET();
__HAL_RCC_UART12_RELEASE_RESET();
__HAL_RCC_UART12_CLK_DISABLE();
break;
case UART12_INDEX:
__HAL_RCC_UART12_FORCE_RESET();
__HAL_RCC_UART12_RELEASE_RESET();
__HAL_RCC_UART12_CLK_DISABLE();
break;
#endif
}
}

HAL_UART_DeInit(uart_handlers[obj->index]);
HAL_UART_DeInit(uart_handlers[obj->index]);

/* Release uart debug to ensure init */
if (serial_debug.index == obj->index) {
serial_debug.index = UART_NUM;
/* Release uart debug to ensure init */
if (serial_debug.index == obj->index) {
serial_debug.index = UART_NUM;
}
}
}

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